/**	header files	*/

/**	defines		*/

#include <cstdint>
#include <cstring>
#include "CM_Des.h"
#include "jni.h"


/**	variables		*/
//static unsigned long SP1[64] = {
const unsigned long SP1[64] = {
		0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
		0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
		0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
		0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
		0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
		0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
		0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
		0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
		0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
		0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
		0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
		0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
		0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
		0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
		0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
		0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };

//static unsigned long SP2[64] = {
const unsigned long SP2[64] = {
		0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
		0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
		0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
		0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
		0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
		0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
		0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
		0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
		0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
		0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
		0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
		0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
		0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
		0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
		0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
		0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L };

//static unsigned long SP3[64] = {
const unsigned long SP3[64] = {
		0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
		0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
		0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
		0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
		0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
		0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
		0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
		0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
		0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
		0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
		0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
		0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
		0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
		0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
		0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
		0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L };

//static unsigned long SP4[64] = {
const unsigned long SP4[64] = {
		0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
		0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
		0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
		0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
		0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
		0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
		0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
		0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
		0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
		0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
		0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
		0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
		0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
		0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
		0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
		0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L };

//static unsigned long SP5[64] = {
const unsigned long SP5[64] = {
		0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
		0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
		0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
		0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
		0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
		0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
		0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
		0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
		0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
		0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
		0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
		0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
		0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
		0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
		0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
		0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L };

//static unsigned long SP6[64] = {
const unsigned long SP6[64] = {
		0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
		0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
		0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
		0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
		0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
		0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
		0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
		0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
		0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
		0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
		0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
		0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
		0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
		0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
		0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
		0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L };

//static unsigned long SP7[64] = {
const unsigned long SP7[64] = {
		0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
		0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
		0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
		0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
		0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
		0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
		0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
		0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
		0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
		0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
		0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
		0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
		0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
		0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
		0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
		0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L };

//static unsigned long SP8[64] = {
const unsigned long SP8[64] = {
		0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
		0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
		0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
		0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
		0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
		0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
		0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
		0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
		0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
		0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
		0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
		0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
		0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
		0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
		0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
		0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L };

static unsigned long KnL[32] = { 0L };
static unsigned long KnR[32] = { 0L };
static unsigned long Kn3[32] = { 0L };
const unsigned char Df_Key[24] = {
		0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
		0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
		0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67 };

const unsigned short bytebit[8]	= {
		0200, 0100, 040, 020, 010, 04, 02, 01 };

const unsigned long bigbyte[24] = {
		0x800000L,	0x400000L,	0x200000L,	0x100000L,
		0x80000L,	0x40000L,	0x20000L,	0x10000L,
		0x8000L,	0x4000L,	0x2000L,	0x1000L,
		0x800L, 	0x400L, 	0x200L, 	0x100L,
		0x80L,		0x40L,		0x20L,		0x10L,
		0x8L,		0x4L,		0x2L,		0x1L	};

const unsigned char pc1[56] = {
		56, 48, 40, 32, 24, 16,  8,	 0, 57, 49, 41, 33, 25, 17,
		9,  1, 58, 50, 42, 34, 26,	18, 10,  2, 59, 51, 43, 35,
		62, 54, 46, 38, 30, 22, 14,	 6, 61, 53, 45, 37, 29, 21,
		13,  5, 60, 52, 44, 36, 28,	20, 12,  4, 27, 19, 11,  3 };

const unsigned char totrot[16] = {
		1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };

const unsigned char pc2[48] = {
		13, 16, 10, 23,  0,  4,  2, 27, 14,  5, 20,  9,
		22, 18, 11,  3, 25,  7, 15,  6, 26, 19, 12,  1,
		40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
		43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };

/**	functions		*/
static void unscrun(unsigned long *outof, unsigned char *into)
{
	*into++ = (*outof >> 24) & 0xffL;
	*into++ = (*outof >> 16) & 0xffL;
	*into++ = (*outof >>  8) & 0xffL;
	*into++ =  *outof++	 & 0xffL;
	*into++ = (*outof >> 24) & 0xffL;
	*into++ = (*outof >> 16) & 0xffL;
	*into++ = (*outof >>  8) & 0xffL;
	*into	=  *outof	 & 0xffL;
	return;
}

void usekey(unsigned long *from)
{
	unsigned long * to, *endp;

	to = KnL, endp = &KnL[32];
	while( to < endp ) *to++ = *from++;
	return;
}

static void cookey(unsigned long *raw1)
{
	unsigned long *cook,*  raw0;
	unsigned long dough[32];
	int i;

	cook = dough;
	for( i = 0; i < 16; i++, raw1++ ) {
		raw0 = raw1++;
		*cook	 = (*raw0 & 0x00fc0000L) << 6;
		*cook	|= (*raw0 & 0x00000fc0L) << 10;
		*cook	|= (*raw1 & 0x00fc0000L) >> 10;
		*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
		*cook	 = (*raw0 & 0x0003f000L) << 12;
		*cook	|= (*raw0 & 0x0000003fL) << 16;
		*cook	|= (*raw1 & 0x0003f000L) >> 4;
		*cook++ |= (*raw1 & 0x0000003fL);
	}
	usekey(dough);
	return;
}

void deskey(unsigned char *key, short edf)	/* Thanks to James Gillogly & Phil Karn! */
{
	int i,  j,  l,  m,  n;
	unsigned char  pc1m[56],  pcr[56];
	unsigned long  kn[32];

	for ( j = 0; j < 56; j++ ) {
		l = pc1[j];
		m = l & 07;
		pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
	}
	for( i = 0; i < 16; i++ ) {
		if( edf == DE1 ) m = (15 - i) << 1;
		else m = i << 1;
		n = m + 1;
		kn[m] = kn[n] = 0L;
		for( j = 0; j < 28; j++ ) {
			l = j + totrot[i];
			if( l < 28 ) pcr[j] = pc1m[l];
			else pcr[j] = pc1m[l - 28];
		}
		for( j = 28; j < 56; j++ ) {
			l = j + totrot[i];
			if( l < 56 ) pcr[j] = pc1m[l];
			else pcr[j] = pc1m[l - 28];
		}
		for( j = 0; j < 24; j++ ) {
			if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
			if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
		}
	}
	cookey(kn);
	return;
}

void cpkey(unsigned long *into)
{
	unsigned long * from;
	unsigned long * endp;

	from = KnL, endp = &KnL[32];
	while( from < endp ) *into++ = *from++;
	return;
}

void des3key(unsigned char *hexkey, short mode) /* unsigned char[24] */
{
	unsigned char * first;
	unsigned char* third;
	short revmod;

	if( mode == EN0 ) {
		revmod = DE1;
		first = hexkey;
		third = &hexkey[16];
	}
	else {
		revmod = EN0;
		first = &hexkey[16];
		third = hexkey;
	}
	deskey(&hexkey[8], revmod);
	cpkey(KnR);
	deskey(third, mode);
	cpkey(Kn3);
	deskey(first, mode);
	return;
}

static void scrunch(unsigned char *outof, unsigned long *into)
{
	*into	 = (*outof++ & 0xffL) << 24;
	*into	|= (*outof++ & 0xffL) << 16;
	*into	|= (*outof++ & 0xffL) << 8;
	*into++ |= (*outof++ & 0xffL);
	*into	 = (*outof++ & 0xffL) << 24;
	*into	|= (*outof++ & 0xffL) << 16;
	*into	|= (*outof++ & 0xffL) << 8;
	*into	|= (*outof   & 0xffL);
	return;
}

static void desfunc(unsigned long *block, unsigned long *keys)
{
	unsigned long fval,work, right,leftt;
	int round;

	leftt = block[0];
	right = block[1];
	work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
	right ^= work;
	leftt ^= (work << 4);
	work = ((leftt >> 16) ^ right) & 0x0000ffffL;
	right ^= work;
	leftt ^= (work << 16);
	work = ((right >> 2) ^ leftt) & 0x33333333L;
	leftt ^= work;
	right ^= (work << 2);
	work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
	leftt ^= work;
	right ^= (work << 8);
	right = ((right << 1) | ((right >> 31) & 1L)) & 0xffffffffL;
	work = (leftt ^ right) & 0xaaaaaaaaL;
	leftt ^= work;
	right ^= work;
	leftt = ((leftt << 1) | ((leftt >> 31) & 1L)) & 0xffffffffL;

	for( round = 0; round < 8; round++ ) {
		work  = (right << 28) | (right >> 4);
		work ^= *keys++;
		fval  = SP7[ work		 & 0x3fL];
		fval |= SP5[(work >>  8) & 0x3fL];
		fval |= SP3[(work >> 16) & 0x3fL];
		fval |= SP1[(work >> 24) & 0x3fL];
		work  = right ^ *keys++;
		fval |= SP8[ work		 & 0x3fL];
		fval |= SP6[(work >>  8) & 0x3fL];
		fval |= SP4[(work >> 16) & 0x3fL];
		fval |= SP2[(work >> 24) & 0x3fL];
		leftt ^= fval;
		work  = (leftt << 28) | (leftt >> 4);
		work ^= *keys++;
		fval  = SP7[ work		 & 0x3fL];
		fval |= SP5[(work >>  8) & 0x3fL];
		fval |= SP3[(work >> 16) & 0x3fL];
		fval |= SP1[(work >> 24) & 0x3fL];
		work  = leftt ^ *keys++;
		fval |= SP8[ work		 & 0x3fL];
		fval |= SP6[(work >>  8) & 0x3fL];
		fval |= SP4[(work >> 16) & 0x3fL];
		fval |= SP2[(work >> 24) & 0x3fL];
		right ^= fval;
	}

	right = (right << 31) | (right >> 1);
	work = (leftt ^ right) & 0xaaaaaaaaL;
	leftt ^= work;
	right ^= work;
	leftt = (leftt << 31) | (leftt >> 1);
	work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
	right ^= work;
	leftt ^= (work << 8);
	work = ((leftt >> 2) ^ right) & 0x33333333L;
	right ^= work;
	leftt ^= (work << 2);
	work = ((right >> 16) ^ leftt) & 0x0000ffffL;
	leftt ^= work;
	right ^= (work << 16);
	work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
	leftt ^= work;
	right ^= (work << 4);
	*block++ = right;
	*block = leftt;
	return;
}

/*

unsigned char *from : 需要加密或解密的数据
unsigned char *into : 加密或解密得到的数据
unsigned char * hexkey : 密钥，定长24字节。
						当算法是单DES时密钥为8字节K0~K7,则将hexkey填充为K0,K1,K2,K3,K4,K5,K6,K7,K0,K1,K2,K3,K4,K5,K6,K7,K0,K1,K2,K3,K4,K5,K6,K7
						当算法是3DES时密钥为16字节K0~K15,则将hexkey填充为K0,K1,K2,K3,K4,K5,K6,K7,K8,K9,K10,K11,K12,K13,K14,K15,K0,K1,K2,K3,K4,K5,K6,K7
unsigned char Length : 加密数据的长度，一定为8字节的整数倍
unsigned char Flag :  加密还是解密，EN0加密，DE1解密

*/
unsigned char Ddes_Soft(unsigned char *from, unsigned char *into,unsigned char * hexkey,unsigned char Length,unsigned char Flag)	/* unsigned char[8] */
{
	unsigned long  work[2];
	unsigned char EnDeNum,NullNum,count,accompany[8];
	EnDeNum =Length/8;
	NullNum =Length%8;
	if(NullNum!=0)
	{
		for(count=0;count<NullNum;count++)
			accompany[count]=from[EnDeNum*8+count]  ;   //转移数据
		for(count=0;count<8-NullNum;count++)
			accompany[NullNum+count] =0 ;   //填充0

	}

	if(Flag==EN0)     //加密
	{
		des3key(hexkey, EN0);    //对24个字节的密钥进行处理,得到加密密钥;
		for(count =0;count<EnDeNum;count++)    //对整数加密
		{
			scrunch(from, work);
			desfunc(work, KnL);
			desfunc(work, KnR);
			desfunc(work, Kn3);
			unscrun(work, into);
			from +=8;
			into +=8;
		}
		if(NullNum!=0)
		{
			scrunch(accompany, work);       //对剩余字节进行加密
			desfunc(work, KnL);
			desfunc(work, KnR);
			desfunc(work, Kn3);
			unscrun(work, into);
			EnDeNum++;
		}

		return EnDeNum*8;
	}
	else           //解密
	{
		des3key(hexkey, DE1);    //对24个字节的密钥进行处理,得到解密密钥;
		for(count =0;count<EnDeNum;count++)
		{
			des3key(hexkey, DE1);    //对24个字节的密钥进行处理,得到加密密钥;
			scrunch(from, work);
			desfunc(work, KnL);
			desfunc(work, KnR);
			desfunc(work, Kn3);
			unscrun(work, into);
			from +=8;
			into +=8;
		}
		return Length;
	}
}
/*
from[2048]: 需要计算MAC的数据，最大2048字节
unsigned char ptk[24] : 密钥，定长24字节。
						当算法是单DES时密钥为8字节K0~K7,则将hexkey填充为K0,K1,K2,K3,K4,K5,K6,K7,K0,K1,K2,K3,K4,K5,K6,K7,K0,K1,K2,K3,K4,K5,K6,K7
						当算法是3DES时密钥为16字节K0~K15,则将hexkey填充为K0,K1,K2,K3,K4,K5,K6,K7,K8,K9,K10,K11,K12,K13,K14,K15,K0,K1,K2,K3,K4,K5,K6,K7
unsigned char Length : 需要计算MAC的数据的长度
mac[4] : 计算出的MAC值

*/

int Get_Mac(unsigned char from[2048],unsigned int Length,unsigned char ptk[24],unsigned char mac[4])
{
    uint8_t macbuf[8],macbuf1[8];
int i;

if(Length>2048)
return (-1);

memset(macbuf,0x00,sizeof(macbuf));
memset(macbuf1,0x00,sizeof(macbuf1));

//将待计算MAC的数据异或成8个字节
for(i=0; i<Length; i++)
macbuf[i%8] ^= from[i];
//将上步得到的8字节加密得到MAC
Ddes_Soft(macbuf, macbuf1,ptk,8,EN0);
//取前4字节作为MAC值
memcpy(mac,macbuf1,4);
return 0;

}

extern "C"
JNIEXPORT jbyte JNICALL
Java_cd_algorithm_CM_1Des_Ddes_1Soft(JNIEnv *env, jclass type, jbyteArray from_, jbyteArray into_,
									 jbyteArray hexkey_, jbyte Length, jbyte Flag) {
    jbyte result = -1;
    jbyte *from = env->GetByteArrayElements(from_, NULL);
    jbyte *into = env->GetByteArrayElements(into_, NULL);
    jbyte *hexkey = env->GetByteArrayElements(hexkey_, NULL);

    result = Ddes_Soft((unsigned char *)from, (unsigned char *)into,(unsigned char *) hexkey,Length,Flag);

    env->ReleaseByteArrayElements(from_, from, 0);
    env->ReleaseByteArrayElements(into_, into, 0);
    env->ReleaseByteArrayElements(hexkey_, hexkey, 0);
    return result;
}

